
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
// 
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

/**
 * AUTO-GENERATED FILE. DO NOT MODIFY.
 */

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
// 
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
// FIXME Where to create the simple view coordinate system
import View from '../../coord/View.js';
import { getLayoutRect } from '../../util/layout.js';
import * as bbox from 'zrender/lib/core/bbox.js';
import { extend } from 'zrender/lib/core/util.js';

function getViewRect(seriesModel, api, aspect) {
	var option = extend(seriesModel.getBoxLayoutParams(), {
		aspect: aspect
	});
	return getLayoutRect(option, {
		width: api.getWidth(),
		height: api.getHeight()
	});
}

export default function createViewCoordSys(ecModel, api) {
	var viewList = [];
	ecModel.eachSeriesByType('graph', function (seriesModel) {
		var coordSysType = seriesModel.get('coordinateSystem');

		if (!coordSysType || coordSysType === 'view') {
			var data_1 = seriesModel.getData();
			var positions = data_1.mapArray(function (idx) {
				var itemModel = data_1.getItemModel(idx);
				return [+itemModel.get('x'), +itemModel.get('y')];
			});
			var min = [];
			var max = [];
			bbox.fromPoints(positions, min, max); // If width or height is 0

			if (max[0] - min[0] === 0) {
				max[0] += 1;
				min[0] -= 1;
			}

			if (max[1] - min[1] === 0) {
				max[1] += 1;
				min[1] -= 1;
			}

			var aspect = (max[0] - min[0]) / (max[1] - min[1]); // FIXME If get view rect after data processed?

			var viewRect = getViewRect(seriesModel, api, aspect); // Position may be NaN, use view rect instead

			if (isNaN(aspect)) {
				min = [viewRect.x, viewRect.y];
				max = [viewRect.x + viewRect.width, viewRect.y + viewRect.height];
			}

			var bbWidth = max[0] - min[0];
			var bbHeight = max[1] - min[1];
			var viewWidth = viewRect.width;
			var viewHeight = viewRect.height;
			var viewCoordSys = seriesModel.coordinateSystem = new View();
			viewCoordSys.zoomLimit = seriesModel.get('scaleLimit');
			viewCoordSys.setBoundingRect(min[0], min[1], bbWidth, bbHeight);
			viewCoordSys.setViewRect(viewRect.x, viewRect.y, viewWidth, viewHeight); // Update roam info

			viewCoordSys.setCenter(seriesModel.get('center'), api);
			viewCoordSys.setZoom(seriesModel.get('zoom'));
			viewList.push(viewCoordSys);
		}
	});
	return viewList;
}